CN100408415C - Fuel tank structure of automatic bicycle - Google Patents

Fuel tank structure of automatic bicycle Download PDF

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Publication number
CN100408415C
CN100408415C CNB2005101200364A CN200510120036A CN100408415C CN 100408415 C CN100408415 C CN 100408415C CN B2005101200364 A CNB2005101200364 A CN B2005101200364A CN 200510120036 A CN200510120036 A CN 200510120036A CN 100408415 C CN100408415 C CN 100408415C
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China
Prior art keywords
fuel
fuel tank
mentioned
unit
installation portion
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Expired - Fee Related
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CNB2005101200364A
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Chinese (zh)
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CN1769128A (en
Inventor
加治攻一郎
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Aisan Industry Co Ltd
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Aisan Industry Co Ltd
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Publication of CN1769128A publication Critical patent/CN1769128A/en
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Publication of CN100408415C publication Critical patent/CN100408415C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a fuel tank structure capable of easily installing a fuel pump the rear inside part of a fuel tank. In the fuel tank structure, a fuel pump unit 29 is installed in the fuel tank 17 of the motorcycle. The fuel pump unit 29 is equipped with an integrated mounting plate 30 for the unit at the lower part of the pump unit approximately vertically relative to the pump unit axis line A. The mounting plate 30 for the unit is fixed to the rear part of the fuel tank in the longitudinal direction of a vehicle. The mounting part 37 of the tank bottom surface to which the mounting plate 30 for the unit is fixed, is formed so as to incline at a predetermined angle relative to the horizontal surface, and the lowest portion 37a of the mounting part 37 is formed so as to be positioned at the lower part than the tank bottom surface part 27a at the front side than the mounting part 37.

Description

The fuel box structure of automotive bicycle
Technical field
The present invention relates to a kind of fuel box structure of automotive bicycle, particularly relate to a kind of fuel box structure that petrolift is arranged on the formula that is provided with in the case in the Fuel Tank.
Background technology
For example, in the automotive bicycle that is mounted with 4 stroke Fuel Petroleum jet engines, Fuel Petroleum need be sent to the petrolift in the driving engine.In narrow space, be provided with on the layout of parts of this petrolift, adopted petrolift is arranged in the case in the Fuel Tank formula fuel box structure is set.
In following patent documentation 1, a kind of automobile fuel supply device is disclosed, it is in Fuel Tank inside petrolift to be set, and makes leading section opening from the exterior fuel return pipe of Fuel Tank simultaneously in case.In this device, petrolift in the case is from the position relation consideration of the throttle valve body of driving engine and Fuel Tank and be arranged in the rear portion of casing.But, shape according to the Fuel Tank that is loaded, for example, if towards rear view of vehicle and the case sectional area diminishes gradually the situation of so so-called drops formula Fuel Tank, then because of can't guaranteeing to be provided with the required abundant zone of the pump housing in that its height dimension of the rear portion of casing is little, thereby the layout that the pump housing will be installed is very difficult.
Patent documentation 1:JP spy opens flat 11-93794 communique.
Summary of the invention
The present invention is a mirror with such present situation, its objective is the fuel box structure that a kind of automotive bicycle is provided, even the little Fuel Tank of the height dimension at rear portion also can be easily positioned on petrolift the rear portion in the case.
In order to realize aforementioned purpose, the invention of the application's first technical scheme provides a kind of fuel box structure of automotive bicycle, the petrolift unit that in the Fuel Tank of automotive bicycle, has been provided with by modularization, above-mentioned petrolift unit has the unit adapter plate, this unit adapter plate is perpendicular to the axis of the length direction of pump housing unit, and with pump housing unit under integrally, this unit adapter plate is fixed on the bottom half that is positioned at Fuel Tank rear part on the vehicle fore-and-aft direction, the fixing installation portion of the tank floor of said units adapter plate, form according to the mode of angle tilt with respect to the horizontal plane with regulation, the minimum position of this installation portion is positioned at the below of the tank floor part of this installation portion front side simultaneously, and it is characterized in that: above-mentioned installation portion tilts in the mode that uprises towards the rear view of vehicle side.
The invention of the application's second technical scheme is on the basis of the described invention of first technical scheme, and above-mentioned petrolift unit has the fuel suction port of petrolift in the minimum position side of the said units adapter plate that has tilted.
The invention of the application's the 3rd technical scheme is on the basis of the described invention of first technical scheme, above-mentioned Fuel Tank is to be made of base plate that becomes above-mentioned tank floor and the upper plate that engages with this base plate, above-mentioned installation portion is set on above-mentioned base plate, further on above-mentioned base plate, be formed with along the recess of the body frame of vehicle near this installation portion.
The invention of the application's the 4th technical scheme is on the basis of the described invention of the 3rd technical scheme, and above-mentioned body frame is bifurcated to the left and right at above-mentioned Fuel Tank rear portion, and at bifurcated the body frame part between the above-mentioned installation portion of configuration.
According to the present invention, the installation portion of the bottom surface, casing rear portion by making fixed fuel pump unit is inclined relative to horizontal, and the petrolift unit with length direction is tilted and is arranged in the casing.Even so, also the petrolift unit can be easily positioned in the casing at the casing rear portion that can't guarantee sufficient box height.Also have,, therefore, by the fuel pump intake being located near the minimum position of unit adapter plate, also positively suct fuel when can the fuel in casing tailing off because the minimum position of bevelled unit adapter plate is in the downside of the tank floor of its front side.
According to the present invention, tilt in the mode that uprises towards the rear view of vehicle side by making the unit installation portion, the pump unit is leaned forward and be inserted in the casing, and be fixed in the casing with forward-lean state from the casing rear portion side.Thereby, be fixed on the petrolift unit on this part, make its axis tilt and be configured in the casing to vehicle front side, the pump unit easily can be inserted and secured in the highly inadequate casing.
According to the present invention, the minimum position of unit installation portion is positioned at the below of tank floor part, and the petrolift unit its underpart have be used for Fuel Tank in fuel import to the fuel suction port of petrolift, therefore, its horizontal surface is near tank floor even the interior fuel of casing tails off,, do not suct fuel in the casing lavishly and can have because fuel suction port is positioned at its below yet.
According to the present invention, by on the base plate that constitutes Fuel Tank, being provided with the installation portion of pump unit, further form recess near installation portion, thus the body frame that can make vehicle on the vehicle fore-and-aft direction by this recess, can reduce the height of Fuel Tank and improve appearance design effect.Also have, because Fuel Tank by recess and across body frame, so can support by body frame with being stabilized.
According to the present invention, body frame is bifurcated to the left and right at the Fuel Tank rear portion, and at bifurcated frame part between dispose installation portion, therefore can more stably support Fuel Tank.
Description of drawings
Fig. 1 is the outward appearance lateral plan that possesses the automotive bicycle of fuel box structure of the present invention.
Fig. 2 is the lateral plan of the Fuel Tank of automotive bicycle shown in Figure 1.
Fig. 3 is the upward view of the Fuel Tank among Fig. 2.
Fig. 4 is the partial enlarged drawing of Fig. 2.
Fig. 5 is the partial enlarged drawing of Fig. 3.
The specific embodiment
At form of implementation of the present invention, describe with reference to the accompanying drawings below.
An embodiment of Fig. 1~5 expressions fuel pump mounting structural of the present invention.Fig. 1 is the lateral plan that possesses 4 stroke Fuel Petroleum injecting type automotive bicycles of this structure, Fig. 2 is the lateral plan (cross section that comprises part) of the Fuel Tank of this automotive bicycle, Fig. 3 is the upward view of the Fuel Tank among Fig. 2, Fig. 4 is the enlarged drawing of cross section part as shown in Figure 2, and Fig. 5 is the partial enlarged drawing of Fig. 3.
Automotive bicycle 1 shown in Figure 1, be by the preceding pipe 14 that insert to connect handlebar axis, in the past manage the 14 following pipes 15 that extend to the oblique back lower place of car body, in the past manage 14 body frames 16 that extend to rear side, be connected down the after-frame 25 of managing 15 rear portion etc. and constitute vehicle body frame.Be connected front fork 24 on the handlebar by preceding pipe 14, keep front-wheel 11 from both sides.Before the Fuel Tank 17 at pipe 14 rear, with supported across the mode on body frame 16.
Dispose driving engine 13 in the space between body frame 16 below Fuel Tank 17 and the following pipe 15.Driving engine 13 be by crankcase 45, connected cylinder band 46 with and the cylinder cover 47 on top constitute.Rear side at cylinder cover 47 is connected with aspirate tube 19.Eductor (not shown) is installed on the aspirate tube 19.Be provided with in the Fuel Tank 17 formula petrolift (later on narration) is set in the case, fuel is transported in the eductor by fuel-supply pipe 20.On the aspirate tube 19 of eductor upstream side, be provided with throttle valve body 18.
Be connected with freeing pipe 21 in the front side of cylinder cover 47.Freeing pipe 21 is crooked in the wings and have noise silencer 23 in rearward end.Noise silencer 23 is fixed on the after-frame 25 of the axletree that keeps trailing wheel 12.Be provided with the catalyst 22 that exhaust purification is used midway at freeing pipe 21.
Shown in Fig. 2 and 3, Fuel Tank 17 is by part is formed with the base plate 27 of recess 26 in the central, the upper plate 28 that covers on the base plate 27 constitutes in the mode across body frame 16.The periphery of the periphery of base plate 27 and upper plate 28 is bonded with each other together by the seam welding, forms seam junction surface 48.
As shown in the figure, Fuel Tank 17 has front portion with its vehicle forward direction, and bulging gets very greatly across body frame 16, and the mode that its casing sectional area diminishes gradually to rear view of vehicle becomes so-called drops formula toward the shape that afterbody shrinks.Petrolift unit 29 is accommodated in rear portion in this Fuel Tank 17 with the state that leans forward.
Fig. 4 has amplified the figure that is provided with by Fuel Tank 17 parts of modular petrolift unit.Petrolift unit 29, be vertically long shape, be with petrolift 31, fuel filter 32, pressure regulator 33 and send oil pipe 34 etc. to combine assembly on the resinous adapter plate 30 that is installed in the axis A that is approximately perpendicular to its length direction as unitary member.In Fig. 4, the fuel in the Fuel Tank 17 flow in the petrolift 31 by filter 32, from being discharged to the outside by adapter plate 30 to the outstanding fuel outlet 36 in outside.On this fuel outlet 36, be connected with the fuel-supply pipe 20 of aforementioned (Fig. 1).
The petrolift unit 29 of Gou Chenging as mentioned above is fixed on by adapter plate 30 on the pump housing installation portion 37 of a part of the base plate 27 that becomes Fuel Tank 17.Pump housing installation portion 37 is different with other parts of base plate 27, according to respect to forming in predetermined angular (roughly more than 10 degree) bevelled mode along the horizontal surface P of vehicle fore-and-aft direction.Specifically, though installation portion 37 becomes the part of the base plate 27 of Fuel Tank 17, from the cross section of Fig. 4, be at first to sink with bottom surface portions 27a from installation portion 37 front sides, the mode that rises to the rear view of vehicle side tilts and forms afterwards.Thus, the minimum position 37a of installation portion 37 front is positioned at the position of below of the above-mentioned bottom surface portions 27a of its front side.
On the installation portion 37 of this base plate 27, be formed with from Fuel Tank 17 is outside and insert the petrolift unit 29 and the fixing peristome 38 of usefulness, and be welded with a plurality of acorn nuts 39 on every side at the peristome 38 of Fuel Tank 17 private sides.
When being fixed on petrolift unit 29 in the Fuel Tank 17, at first around above-mentioned peristome 38, disposed on the basis of closed-loop 40, unit 29 is inserted in the peristome 38, under the flange section 30a with adapter plate 30 is crimped on state on the closed-loop 40, the pressing plate 41 of ring-type is close on the installation portion 37 of base plate 27.As shown in Figure 5, pressing plate 41 is fixed on the base plate 27 by its a plurality of (in this example being 6) bolts 42 above-mentioned nut 39 on being arranged on Fuel Tank 17 inwalls on every side is screwed on.Thus, petrolift unit 29 is fixed on the base plate 27 (particularly being installation portion 27) of Fuel Tank 17.In Fig. 5,43 for being exposed to Fuel Tank 17 exterior filter protrusions, and the 44th, become the adaptor union of the power suppling part of driving pump.
Also have, though be not illustrated the body frame 16 that extends along the recess 26 of base plate 27 and to the vehicle fore-and-aft direction, near bifurcated to the left and right installation portion 37.And, configuration installation portion 37 between the frame part that is bifurcated.
As mentioned above, according to present embodiment, because in Fuel Tank 17 inside, petrolift unit 29 is fixed on respect to along the horizontal surface P of vehicle fore-and-aft direction and on the pump housing installation portion 37 with the angle tilt of regulation, so pump unit 29 tilts with respect to the bottom surface portions 27a of Fuel Tank 17, even also can easily be provided with compare the little casing back space of its height dimension with the casing front portion in.
In addition, the minimum position 37a of installation portion 37 is positioned at the position of the below of bottom surface portions 27a, therefore, be positioned at the bottom of fuel filter 32 of the below of petrolift unit 29, be positioned at the position of the below of bottom surface portions 27a naturally, thereby, its horizontal surface is near tank floor even the fuel in the Fuel Tank 17 tails off, fuel filter 32 bottoms of petrolift unit 29, perhaps filter protrusion 43 around also can have fuel, so can there not be the fuel that sucts lavishly in the Fuel Tank 17.
Also have, in the present embodiment,, and can make the body frame 16 of vehicle pass through this recess 26 to the vehicle fore-and-aft direction by formation recess 26 on the base plate 27 that constitutes Fuel Tank 17.Thus, can reduce the height of car at 17 tops from ground to the Fuel Tank, so, can further improve its appearance design effect for for example American automotive bicycle etc.Also have, as the effect of following in this, because of Fuel Tank 17 disposes across the mode of body frame 16 to utilize recess 26, so Fuel Tank 17 can support by body frame 16 with being stabilized.In addition, body frame 16 is bifurcated to the left and right at the Fuel Tank rear portion, and installation portion 37 is sandwiched between the frame part (not diagram) of institute's bifurcated, so Fuel Tank 17 is being supported by body frame 16 with stable status more.
One embodiment of the present of invention more than have been described, but,, petrolift unit 29 can both be set easily for any design-calculated Fuel Tank by adjusting from the deflection and the angle of inclination thereof of bottom surface portions 27a to installation portion 37.Also have, in illustrated embodiment, petrolift unit 29 is so that its axis A swings to the mode of vehicle front side is set in the Fuel Tank 17, but by installation portion 37 is tilted to reversing sense, it is oblique to the rear view of vehicle inclination also can be arranged to axis A.
As utilization example of the present invention, be not limited only to automotive bicycle, also can be applicable to other vehicles that possess Fuel Tank.

Claims (4)

1. the fuel box structure of an automotive bicycle, the petrolift unit that in the Fuel Tank of automotive bicycle, has been provided with by modularization, above-mentioned petrolift unit has the unit adapter plate, this unit adapter plate is perpendicular to the axis of the length direction of pump housing unit, and with pump housing unit under integrally, this unit adapter plate is fixed on the bottom half that is positioned at Fuel Tank rear part on the vehicle fore-and-aft direction, the fixing installation portion of the tank floor of said units adapter plate, form according to the mode of angle tilt with respect to the horizontal plane with regulation, the minimum position of this installation portion is positioned at the below of the tank floor part of this installation portion front side simultaneously, and it is characterized in that: above-mentioned installation portion tilts in the mode that uprises towards the rear view of vehicle side.
2. the fuel box structure of automotive bicycle as claimed in claim 1 is characterized in that: above-mentioned petrolift unit has the fuel suction port of petrolift in the minimum position side of the said units adapter plate that has tilted.
3. the fuel box structure of automotive bicycle as claimed in claim 1, it is characterized in that: above-mentioned Fuel Tank is to be made of base plate that becomes above-mentioned tank floor and the upper plate that engages with this base plate, above-mentioned installation portion is set on above-mentioned base plate, further on above-mentioned base plate, be formed with along the recess of the body frame of vehicle near this installation portion.
4. the fuel box structure of automotive bicycle as claimed in claim 3 is characterized in that: above-mentioned body frame is bifurcated to the left and right at above-mentioned Fuel Tank rear portion, and at bifurcated the body frame part between the above-mentioned installation portion of configuration.
CNB2005101200364A 2004-11-04 2005-11-04 Fuel tank structure of automatic bicycle Expired - Fee Related CN100408415C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004320597A JP2006131028A (en) 2004-11-04 2004-11-04 Fuel tank structure of motorcycle
JP2004320597 2004-11-04

Publications (2)

Publication Number Publication Date
CN1769128A CN1769128A (en) 2006-05-10
CN100408415C true CN100408415C (en) 2008-08-06

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100969388B1 (en) * 2008-08-14 2010-07-09 현대자동차주식회사 Fuel supply system for vehicle
ES2377854T3 (en) * 2009-01-26 2012-04-02 Yamaha Motor Europe N.V. Motorcycle with particular arrangement of the fuel tank, the fuel pump and the air filter
JP5620662B2 (en) * 2009-09-15 2014-11-05 本田技研工業株式会社 Motorcycle
US7984653B2 (en) * 2009-12-15 2011-07-26 GM Global Technology Operations LLC Angular mounted high-pressure vessel
CN112840115A (en) * 2018-10-17 2021-05-25 Tvs电机股份有限公司 Fuel pump layout

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1193794A (en) * 1997-09-23 1999-04-06 Honda Motor Co Ltd Vehicle fuel supply system
JP2000282993A (en) * 1999-03-30 2000-10-10 Honda Motor Co Ltd Reserve structure of fuel supply device
US6182639B1 (en) * 1997-06-26 2001-02-06 Hitachi, Ltd. Thermal-type airflow meter, intake air system for an internal combustion engine, and control system for the same
JP2001107819A (en) * 1999-10-08 2001-04-17 Keihin Corp Fuel system for fuel injection device
US6401750B2 (en) * 2000-03-02 2002-06-11 Suzuki Kabushiki Kaisha Fuel tank unit of motorcycle
CN1364716A (en) * 2001-01-12 2002-08-21 本田技研工业株式会社 Two wheel motor vehicle
JP2003072646A (en) * 2001-08-31 2003-03-12 Honda Motor Co Ltd Car body frame structure for motorcycle
JP2003214274A (en) * 2002-01-25 2003-07-30 Kawasaki Heavy Ind Ltd Fuel tank for vehicle
US6679292B2 (en) * 2001-01-23 2004-01-20 Honda Giken Kogyo Kabushiki Kaisha Tank fitting structure for fuel pump

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6182639B1 (en) * 1997-06-26 2001-02-06 Hitachi, Ltd. Thermal-type airflow meter, intake air system for an internal combustion engine, and control system for the same
JPH1193794A (en) * 1997-09-23 1999-04-06 Honda Motor Co Ltd Vehicle fuel supply system
JP2000282993A (en) * 1999-03-30 2000-10-10 Honda Motor Co Ltd Reserve structure of fuel supply device
JP2001107819A (en) * 1999-10-08 2001-04-17 Keihin Corp Fuel system for fuel injection device
US6401750B2 (en) * 2000-03-02 2002-06-11 Suzuki Kabushiki Kaisha Fuel tank unit of motorcycle
CN1364716A (en) * 2001-01-12 2002-08-21 本田技研工业株式会社 Two wheel motor vehicle
US6679292B2 (en) * 2001-01-23 2004-01-20 Honda Giken Kogyo Kabushiki Kaisha Tank fitting structure for fuel pump
JP2003072646A (en) * 2001-08-31 2003-03-12 Honda Motor Co Ltd Car body frame structure for motorcycle
JP2003214274A (en) * 2002-01-25 2003-07-30 Kawasaki Heavy Ind Ltd Fuel tank for vehicle

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CN1769128A (en) 2006-05-10

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Granted publication date: 20080806

Termination date: 20201104